【正文】
13. — I39。m listening to a about you? — I am_exercising(exercise). 14. Jim and John are_doing(do)their homework now. 二 、 單項(xiàng)選擇 。 15. — Hello! A_Peter! — Hello! Peter! It39。s Linda here. A. This is B. I am C. It is 16. — What are you doing, Becky? — Not 39。m C doing my homework. A. only B. also C. just 17. I don39。t like the TV think it is C. A. interesting B. beautiful C. boring 18. — Let39。s go to the movies. — That B TV show is boring. A. looks B. sounds C. hears 19. — Where39。s Tom? —